John Armstrong was a pioneer of Linden Township who in 1857 represented this part of Brown County as its first Territorial County Supervisor (Commissioner) and later became Linden Township's first town clerk. On Sunday morning Sept. 7, 1862, he was killed by three Sioux Indians due south of this site on the shore of Linden Lake. He was buried on the farmstead of his claim, 126 rods south and 20 rods east from this site.